Problem description: When I attempt to open large (~13MB or greater) excel spreadsheets, Calc first becomes very busy; CPU activity maxes out; memory usage is great but not 100%. After a long lock up, system diagnostics indicate that libreoffice is waiting for something to happen even as the CPU keeps churning. Then libreoffice crashes. When libreoffice is restarted, any attempt to "recover" starts the crash all over again. My work around has been to open the Excel sheets on another computer using Gnome's Gnumeric. Gnumeric opens the Excel sheets instantaneously; then I convert them to open document .ods files, whereafter I can open them using libreoffice calc with all functionality, but without the speed of operations using Gnumeric. Steps to reproduce: 1. Attempt to open any very large Excel spreadsheet. Current behavior: As described. Expected behavior: Easy to open large Excel sheets, and rapid operation of sheet functions. Platform (if different from the browser): I am using libreoffice Version 3.6.0.4 (Build ID: 932b512) installed from the rpms on either Slackware 13.37 or 13.31. Browser: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.28) Gecko/20120314 Firefox/3.6.28
Could you attach the file here http://wiki.documentfoundation.org/QA/Bugzilla-Attachments so we can try to reproduce?
Same as "Bug 53698 - FILEOPEN particular large .xlsm causes CRASH"?
(In reply to comment #1) > Could you attach the file here > http://wiki.documentfoundation.org/QA/Bugzilla-Attachments so we can try to > reproduce? Julien, unfortunately the spreadsheets I have encountered the problem on are all acquired under contract, and are highly confidential. Looking at Rainer Bielefeld's comments on Bug #53698, I note that my spreadsheets are all highly formatted. I will test on other similarly large, but unformatted .xls spreadsheets and get back to you with the results. I think it is significant though that Gnumeric opens them with blinding speed, much faster even than Excel does. If the Spreadsheet group knows anything about the structure of Gnumeric, they may find a clue.
Is this bug really related to big Excel files, or just to big files in general? I am working with huge Calc files myself and I experience frequent crashes, probably due to memory usage of Calc. Here is a document from another bug report: https://bugs.freedesktop.org/attachment.cgi?id=63612 Make several copies and open them one by one. On my computer with 4 GB RAM and LibreOffice 3.5 and 3.7alpha0, I can open about six copies, and the seventh with crash LibreOffice instantly! The actual number of copies probably depends on what else is eating up RAM on your machine. I suspect that memory problems also arise from smaller documents when one works with them for some time. This instant crash also happened on my 8 GB machine, and I am not sure if LibreOffice used up all the RAM before it crashed, or if it ran into problems earlier.
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